EXTOMOLOIUCAL SECTION. 



„ t Bliok- elothed with a whitish pubescence, sil- 

 Astata mexicana.-V-Black. \'^'^ cheeks and on metathorax ; 



very in certain lights, long and dense on .des of i^2",,l;l posteriorlv : a short 

 mesothorax closely and finely punctured more «P-- ^ ^ l^^^^f^ :^^ ^^ ^„^^,11 

 smooth longitudinal line on -eh s.de of ^ZJ^^:;^ ,^^ ^ely 

 tubercle: scutellum sn.ooth and polished on d-k, plema ^^^ ^^ ^^^-^^ 



punctured, shining; metathorax above covered w.th fine «m u .tua^^^ ^ 

 are coarse at extreme base and somewhat f^'^^'^-^^i,^,^^ ,„e, on 

 depressed and produced, the truncation ™g"l-«' ^J^ f ^uLb I^e.rus : wings 

 upper middle, sides of metathorax closely punc^ m U ^^^l^^^ ^^^ 



hyaline, faintly stained with ^^^^l^^^^^f^^^^^.^Z^ <^ olA^^J 

 andsubmarginalcells,nervuresandst.gnablack apexot ma ^^^^_ 



truncate, the appendiculate nerve d.stinc to -^°-;^"^;7;\^JX clothed with 

 „.arginal cell narrowed one-half towards the ^^^ ;;j;.Xlt ,n ; ubdon.en 

 pale glittering pubescence, tai-si more ^ -? ^^^^e It^- nd more dense 

 rufo-fulvous, shining, sparsely pubescent, the V^^^-^^^^J '^^ ^^^^^^^ 



on basal segment, base of first segment above, most of hi.t and 

 ventral segments black. Length .40—50 inch. 

 ^^6.— Mexico ; (Sumichrast). 



is«« O Deep black, polished, sparsely clothetl with pale 



Astata uevad.ca -?.-Deepblac ^, ^4,^,,,,, mesothorax and 



glittering pubescence, that on the lace ao ) nvindibles tinged with 



?egs, black; face with large sparse punctures; ^^^^^^^^^^^^ ^^ „,a, smoot^^ 



the truncated apex rugose, with a small pa o n punctured beneath: 



longitudinally striated on the -d-'J^^"^"^» ^'^"tdlv f^l 'iiu with a darker 

 tegul. piceous; wings -^^3^^^-^^:f;::,^;^^^r:Wi,uely truncate 

 streak at tip of the marginal <^^^^' ^'^''^ '' ^'"^^"^'l^' submar-^ina cell slightly 

 at tip, the appeiidieulate -™;;^2 ^ br^h " ^omen shining, dark 

 •narrowed towards the marginal; tip. of tai^i 'J^-^^^^ ' 

 ferruginous, extreme base above and beneath, b ack. .I^e"gth^3 . inch. 



^,,5 -Nevada; (Morrison). Resembles bicolor feay, 9 , but he 

 sculpture of the metathorax is much finer, and the pubescence on the 

 face mes^othorax and lej>s is black. 



.id. over ^-^^'^-K-^'^'''"''\:'-;:''Zl,^lZiTS.le>.L.ii^'^ ^Me» feebly 



::^s:^;re;e»::e-.t\rxL...„e£^p-^^^^^ 



.25— ..30 inch. 



^t(6.— Colorado ; Nevada ; (Morrison). 



